Seina Yamada has been waiting so long to return to his home, Earth.
But so much has changed; his sister is engaged to Kiriko's brother Kai,
and his parents' old store is now a huge mall.
Furthermore, he is to stay at Kiriko's mother's house...
And if you're in Washu-san's laboratory,
،وإن كنت في مختبر واشو-سان
Und in Washū-sans Labor
Y en el laboratorio de Washu
Y en el laboratorio de Washu
Et dans le labo de Washu,
Se invece ti trovassi nel laboratorio di Washu-san
E se você estiver no laboratório da Washu,
А в лаборатории Васю...